if the circles x2+y2-6x-8y-24=0 and 3x2+3y2+2gx+2fy+c=0 are concentric then (g,f) =
if the circles x2+y2-6x-8y-24=0 and
3x2+3y2+2gx+2fy+c=0 are concentric then (g,f) =
suhas reddy , 7 Years ago
Grade 12
Analytical Geometry> if the circles x 2 + y 2 - 6x-8y-24=0 and...
2 Answers
Arun
I
First convert them in a same form.
x² + y² -6x - 8y -24 = 0
&
x² + y² + 2g/3 x + 2f/3 y + c/3 = 0
Now
2g/3 = -6
g = -9
2f/3 = -8
f = -12
Regards
Arun
Approved Last Activity: 7 Years ago
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